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From: Joonsoo Kim <js1304@gmail.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	 Linux Memory Management List <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	 Vlastimil Babka <vbabka@suse.cz>,
	Laura Abbott <labbott@redhat.com>,
	 "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
	Mel Gorman <mgorman@techsingularity.net>,
	 Michal Hocko <mhocko@suse.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Roman Gushchin <guro@fb.com>,  Minchan Kim <minchan@kernel.org>,
	Rik van Riel <riel@surriel.com>,
	 Christian Koenig <christian.koenig@amd.com>,
	Huang Rui <ray.huang@amd.com>,
	 Eric Biederman <ebiederm@xmission.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Pavel Machek <pavel@ucw.cz>,
	 Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH 01/10] mm/page-flags: introduce PageHighMemZone()
Date: Wed, 22 Apr 2020 16:40:29 +0900	[thread overview]
Message-ID: <CAAmzW4MQaZ8CRHtNEyFstuSwD_LwYa24WJGs93sP__Mr3+=eog@mail.gmail.com> (raw)
In-Reply-To: <20200421090005.GA23085@infradead.org>

2020년 4월 21일 (화) 오후 6:00, Christoph Hellwig <hch@infradead.org>님이 작성:
>
> I don't think the names are very good.  I'd keep PageHighMem for the
> existing highmem zone, and add something like PageDirectMapped or
> similar for ay page that has a valid direct mapping address.  This will
> also come in handy if we plan to go ahead with the xpfo work.

For PageHighMem(), as mentioned in patch description, my next plan is
to rename PageHighMem() that checks valid direct mapping to
PageNoDirectMapped() or something else. PageDirectMapped() looks better.
Reason that rename isn't implemented in this patchset is that I'd like to rename
after everything is settle down.

For PageHighMemZone(), I think that it serves correct meaning.

Thanks.


  parent reply	other threads:[~2020-04-22  7:40 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-20  7:59 [PATCH 00/10] change the implemenation of the PageHighMem() js1304
2020-04-20  7:59 ` [PATCH 01/10] mm/page-flags: introduce PageHighMemZone() js1304
2020-04-20 11:20   ` Matthew Wilcox
2020-04-20 11:37     ` Vlastimil Babka
2020-04-21  6:43       ` Joonsoo Kim
2021-02-10 12:56         ` Prakash Gupta
2020-04-21  9:00   ` Christoph Hellwig
2020-04-22  1:02     ` Roman Gushchin
2020-04-22  7:42       ` Joonsoo Kim
2020-04-22  7:40     ` Joonsoo Kim [this message]
2020-04-20  7:59 ` [PATCH 02/10] drm/ttm: separate PageHighMem() and PageHighMemZone() use case js1304
2020-04-20  8:42   ` Christian König
2020-04-21  6:49     ` Joonsoo Kim
2020-04-20  7:59 ` [PATCH 03/10] mm/migrate: " js1304
2020-04-22  7:44   ` Christoph Hellwig
2020-04-22  7:55     ` Joonsoo Kim
2020-04-20  7:59 ` [PATCH 04/10] kexec: " js1304
2020-04-20  7:59 ` [PATCH 05/10] power: " js1304
2020-04-20  7:59 ` [PATCH 06/10] mm/gup: " js1304
2020-04-20  7:59 ` [PATCH 07/10] mm/hugetlb: " js1304
2020-04-20  7:59 ` [PATCH 08/10] mm: " js1304
2020-04-20  7:59 ` [PATCH 09/10] mm/page_alloc: correct the use of is_highmem_idx() js1304
2020-04-20  7:59 ` [PATCH 10/10] mm/page-flags: change the implementation of the PageHighMem() js1304

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